whiteboard
noun [ C ]
WORKPLACE, MEETINGS uk/ˈwaɪtbɔːd/ usa board with a smooth, white surface, often fixed to a wall, on which you can write and draw using special pens:
At the front door is a whiteboard marking the day's events.
IT
a piece of electronic equipment in the shape of a flat, white board which is connected to a computer and which you can write on using a special pen that also controls the computer:
an electronic/interactive whiteboard